13257801

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 21665280

約数和(自身を除く): 8407479

約数列:

[1, 3, 9, 19, 31, 41, 57, 61, 93, 123, 171, 183, 279, 369, 549, 589, 779, 1159, 1271, 1767, 1891, 2337, 2501, 3477, 3813, 5301, 5673, 7011, 7503, 10431, 11439, 17019, 22509, 24149, 35929, 47519, 72447, 77531, 107787, 142557, 217341, 232593, 323361, 427671, 697779, 1473089, 4419267, 13257801]

約数ペア:

[(1, 13257801), (3, 4419267), (9, 1473089), (19, 697779), (31, 427671), (41, 323361), (57, 232593), (61, 217341), (93, 142557), (123, 107787), (171, 77531), (183, 72447), (279, 47519), (369, 35929), (549, 24149), (589, 22509), (779, 17019), (1159, 11439), (1271, 10431), (1767, 7503), (1891, 7011), (2337, 5673), (2501, 5301), (3477, 3813)]